BMW E87 Window Outer Weatherstrip Seal Moulding Door Rear Left N/S 7066607

BMW E87 Window Outer Weatherstrip Seal Moulding Door Rear Left N/S is a precisely profiled component from the Doors and door panels category, responsible for effectively wiping water and debris from the window surface. It ensures stable window operation in the rear left door, reduces cabin noise, and helps maintain proper body sealing.

Specifications and technical data

• SKU: 7066607
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7066607
• Substitutable numbers: 7066607, 51347066607, 4399657, 51354399657, 4428453, 51354428453
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and fitment

The presented window weatherstrip seal is designed specifically for the rear left door area of the BMW E87 model. The vehicle placement is clearly defined, which facilitates the selection of the correct component for body repairs and bodywork/painting tasks.

As a part from the Doors and door panels group, the moulding works in conjunction with the side window, door structure, and other seals to create a cohesive system for guiding and protecting the window from external elements.

Technical function of the weatherstrip seal

The weatherstrip seal performs several important operational functions:

• drains water from the window surface during raising and lowering,
• limits the ingress of dirt and small debris into the door interior,
• supports the maintenance of proper sealing around the side window,
• stabilizes the window in the guides, which affects the smooth operation of the lifting mechanism.

Thanks to its proper profile and fit to the door edge, the component helps reduce unwanted wind noise and minimizes the risk of accelerated corrosion inside the door structure.

Product characteristics and condition

The offered seal is an original BMW brand component, which translates into dimensional compatibility with the factory door structure and correct fitment with the window and other components. The product is in used condition, which in practice means it comes from disassembly and may show signs of previous use, while remaining a functional service solution.

Using an original weatherstrip seal allows you to avoid problems typical of aftermarket replacements, such as improper pressure against the glass or leaks at the contact point with the door skin.

Benefits of using an original seal

Replacing a worn or damaged weatherstrip seal with the presented component brings measurable benefits:

• more stable window operation – less play and reduced vibration while driving,
• better protection of the door interior against water and contaminants,
• reduced risk of window fogging from the inside,
• more comfortable cabin acoustics thanks to improved sealing.

For users who care about maintaining factory body parameters, this is a practical service solution that allows for restoring the proper operation of the window mechanism in the rear left door.

BMW Doors and door panels – expansion and modernization

If you are planning a comprehensive repair or modernization of the door area in your BMW and need other elements from the same group, such as skins, reinforcements, or additional seals, check the available parts in the BMW Doors and door panels category.

Technical support and part selection

During body and door system service work, it is worth paying attention to the general condition of the vehicle, including drivetrain components, which are also subject to wear. To deepen your knowledge on diagnostics and the selection of service components, you can use our guide material: Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain. This will allow you to better plan comprehensive service work on your BMW.